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34e59f5b | 1 | /* Dummy exception handling and frame unwind runtime interface routines. |
b168057a | 2 | Copyright (C) 2004-2015 Free Software Foundation, Inc. |
34e59f5b DJ |
3 | |
4 | This file is part of the GNU C Library. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
ab84e3ff PE |
17 | License along with the GNU C Library. If not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
34e59f5b DJ |
19 | |
20 | /* ARM uses setjmp-longjmp exceptions. However, previous versions of | |
21 | GNU libc exported some DWARF-2 exception handling support routines. | |
22 | They are not necessary, but older (or broken) configurations of GCC | |
23 | will do so. Even though all references to these are weak, because | |
24 | they refer to versioned symbols, they must be provided. */ | |
25 | ||
26 | #include <stdlib.h> | |
27 | #include <unwind.h> | |
28 | #include <unwind-dw2-fde.h> | |
29 | ||
30 | /* These may be called from startup code, but don't need to do | |
31 | anything. */ | |
32 | ||
33 | void __register_frame_info_bases (void *a1, struct object *a2, | |
34 | void *a3, void *a4) | |
35 | { | |
36 | } | |
37 | ||
38 | void __register_frame_info (void *a1, struct object *a2) | |
39 | { | |
40 | } | |
41 | ||
42 | void __register_frame (void *a1) | |
43 | { | |
44 | } | |
45 | ||
46 | void __register_frame_info_table_bases (void *a1, struct object *a2, | |
47 | void *a3, void *a4) | |
48 | { | |
49 | } | |
50 | ||
51 | void __register_frame_info_table (void *a1, struct object *a2) | |
52 | { | |
53 | } | |
54 | ||
55 | void __register_frame_table (void *a1) | |
56 | { | |
57 | } | |
58 | ||
59 | void *__deregister_frame_info (void *a1) | |
60 | { | |
61 | return NULL; | |
62 | } | |
63 | ||
64 | void *__deregister_frame_info_bases (void *a1) | |
65 | { | |
66 | return NULL; | |
67 | } | |
68 | ||
69 | void __deregister_frame (void *a1) | |
70 | { | |
71 | } | |
72 | ||
73 | /* This should not be called. */ | |
74 | ||
75 | fde * | |
76 | _Unwind_Find_FDE (void *a1, struct dwarf_eh_bases *a2) | |
77 | { | |
78 | abort (); | |
79 | } |